20804950910

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{456349}}^1$

素因数の和:456500

約数の個数: 32

約数和(自身を含む): 38640067200

約数和(自身を除く): 17835116290

約数列:

[1, 2, 5, 10, 47, 94, 97, 194, 235, 470, 485, 970, 4559, 9118, 22795, 45590, 456349, 912698, 2281745, 4563490, 21448403, 42896806, 44265853, 88531706, 107242015, 214484030, 221329265, 442658530, 2080495091, 4160990182, 10402475455, 20804950910]

約数ペア:

[(1, 20804950910), (2, 10402475455), (5, 4160990182), (10, 2080495091), (47, 442658530), (94, 221329265), (97, 214484030), (194, 107242015), (235, 88531706), (470, 44265853), (485, 42896806), (970, 21448403), (4559, 4563490), (9118, 2281745), (22795, 912698), (45590, 456349)]